Surgical instrument shaft



FIG. 1 is a perspective view of a surgical instrument shaft.

FIG. 2 is a top plan view of the surgical instrument shaft of FIG. 1.

FIG. 3 is a bottom plan view of the surgical instrument shaft of FIG. 1.

FIG. 4 is a left elevation view of the surgical instrument shaft of FIG. 1.

FIG. 5 is a right elevation view of the surgical instrument shaft of FIG. 1.

FIG. 6 is a front elevation view of the surgical instrument shaft of FIG. 1; and,

FIG. 7 is a rear elevation view of the surgical instrument shaft of FIG. 1.

In all figures, broken lines illustrate environmental structures and form no part of the claimed design. 

CLAIM The ornamental design for a surgical instrument shaft, as shown and described. 